ContribucionesMost RecentMost LikesSolutionsRe: 5G Home Internet Suddenly Very Unstable And Technical Support Is Essentially Useless T-Mobile, your loosing many potential and current customers by not having a 2nd and 3rd level of tech support! Why can't I speak with engineer to help these ongoing issues? Re: 5G Home Internet Suddenly Very Unstable And Technical Support Is Essentially Useless I just got my replacement gateway the black one. It worked great for 6 hours till 12:00. am and now goes down every 2 minutes. What did you do T Mobile?